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Synthesis, Structure of Zwitterionic 2-Amino- N ′-(imidazolidin-2-ylidene)benzohydrazides, and Their Transformation into 3-(Imidazolidin-2-ylideneamino)quinazolin-4(1 H )-one Derivatives

✍ Scribed by Kornicka, Anita; Gdaniec, Maria


Book ID
118762871
Publisher
Journal of Heterocyclic Chemistry
Year
2012
Tongue
English
Weight
263 KB
Volume
49
Category
Article
ISSN
0022-152X

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Synthesis of Aldehydo Sugar (4-oxoquinaz
✍ Mohamed A. Saleh; Mohamed F. Abdel-Megeed; Mohamed A. Abdo; Abdel-Basset M. Shko 📂 Article 📅 2003 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 76 KB

## Abstract A series of the aldehydo‐sugar hydrazones **4a‐d** and **5a‐d** were prepared by the reaction of 2‐hydrazino‐quinazolin‐4(3__H__)‐one (**1**) and 3‐ethyl‐2‐hydrazinoquinazolin‐4(3__H__)‐one (**2**) with aldoses **3a‐d**. Treatment of hydrazones **4a‐d** and **5a‐d** with acetic anhydrid